. >> here is robert portman who plays president obama in debate operations. we will be doing this on saturday before running hold two events in florida. abc news, orlando. >> a sudden standstill in chinatown last night. they're capturing this video. at least 20 demonstrators chanting a disparaging remarks about the obama and romney campaign. >> tonight, there will be another much anticipated public debate. we're not talking about president obama or mitt romney. john stewart of the daily show. the trash talking has gotten under way. some are promising that he will "beat bill o'reilly's liver." >> ready to rubber? >> bill o'reilly will face on this at 8:00 with jon stewart. >> do you see me as mitt romney? is that how you will frame the stacks i see you as an abominable snowman. >> so much for talking down. >> was going to win? >> john stuart will eat a bill reilly's liver. >> what is the protocol for to people about the debate that is it a wedding the indexthing? there'll be an hour of debate. >> i wanted to work on speed. i chased a chicken around the studio.